package com.heima.behavior.service.impl;
import java.util.Date;

import com.alibaba.fastjson.JSON;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApReadBehaviorService;
import com.heima.common.article.HotArticleConstants;
import com.heima.model.behavior.dtos.ReadBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApReadBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.mess.app.NewBehaviorDTO;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

@Service
@Slf4j
public class ApReadBehaviorServiceImpl implements ApReadBehaviorService {
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;
    @Autowired
    MongoTemplate mongoTemplate;
    @Autowired
    RabbitTemplate rabbitTemplate;
    @Override
    public ResponseResult readBehavior(ReadBehaviorDTO dto) {
//        1. 校验参数 文章id必须传
//        2. 根据登录用户id 或 设备id查询行为实体数据(阅读操作可不登录)
        ApUser user = AppThreadLocalUtils.getUser();
        ApBehaviorEntry behaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user != null?user.getId():null, dto.getEquipmentId());
//        3. 判断阅读行为是否存在
        Query query = Query.query(Criteria.where("entryId").is(behaviorEntry.getId()).and("articleId").is(dto.getArticleId()));
        ApReadBehavior readBehavior = mongoTemplate.findOne(query, ApReadBehavior.class);
        if (readBehavior != null){
//        4. 存在  将阅读行为的count字段加1 并修改
            readBehavior.setCount((short) (readBehavior.getCount()+1));
            mongoTemplate.save(readBehavior);
        }else {
//        5. 不存在  创建阅读行为 并初始化count字段值为 1
            ApReadBehavior apReadBehavior = new ApReadBehavior();
            apReadBehavior.setEntryId(behaviorEntry.getId());
            apReadBehavior.setArticleId(dto.getArticleId());
            apReadBehavior.setCount((short)1);
            apReadBehavior.setCreatedTime(new Date());
            apReadBehavior.setUpdatedTime(new Date());
            mongoTemplate.insert(apReadBehavior);
        }
        //发送阅读行为消息，用于修改文章行为汇总数量，更改文章热度
        NewBehaviorDTO mess = new NewBehaviorDTO();
        mess.setType(NewBehaviorDTO.BehaviorType.VIEWS);
        mess.setArticleId(dto.getArticleId());
        mess.setAdd(1);
        rabbitTemplate.convertAndSend(HotArticleConstants.HOT_ARTICLE_SCORE_BEHAVIOR_QUEUE, JSON.toJSONString(mess));
        log.info("阅读行为 发送消息 ==>{}",JSON.toJSONString(mess));

        return ResponseResult.okResult();
    }
}
